Single-frequency tunable long-wave infrared OP-GaAs OPO for gas sensing

被引：2
|
作者：
Armougom, J. [1 ]
Clement, Q. [1 ]
Melkonian, J. -M. [1 ]
Dherbecourt, J. -B. [1 ]
Raybaut, M. [1 ]
Grisard, A. [2 ]
Lallier, E. [2 ]
Gerard, B. [3 ]
Faure, B. [4 ]
Souhaite, G. [4 ]
Godard, A. [1 ]
机构：
[1] Off Natl Etud & Rech Aerosp, F-91123 Palaiseau, France
[2] Thales Res & Technol, 1 Ave Augustin Fresnel, F-91767 Palaiseau, France
[3] III V Lab, 1 Ave Augustin Fresnel, F-91767 Palaiseau, France
[4] Teem Photon, 61 Chemin Vieux Chene, F-38240 Meylan, France
来源：
NONLINEAR FREQUENCY GENERATION AND CONVERSION: MATERIALS AND DEVICES XVI | 2017年 / 10088卷
关键词：
gallium arsenide; optical parametric oscillator; nanosecond; single-frequency; thulium; infrared; standoff detection; lidar; OPTICAL PARAMETRIC OSCILLATOR; ORIENTATION-PATTERNED GAAS; QUANTUM-CASCADE LASER; MU-M; DIAL MEASUREMENTS;
D O I：
10.1117/12.2255620
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report on the first single-frequency nanosecond optical parametric oscillator (OPO) emitting in the longwave infrared, and use it to perform standoff detection of ammonia vapor by differential spectrometry. The OPO is based on orientation-patterned GaAs (OP-GaAs) pumped by a pulsed single-frequency Tm: YAP microlaser. Single-longitudinal mode emission is obtained owing to a nested cavity OPO (NesCOPO) scheme. The OPO is tuned over 700 nm around 10.4 mu m, allowing to measure the absorption spectrum of ammonia across several lines at atmospheric pressure. The potential of this OPO for standoff detection of hazardous gases is also discussed.
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收藏
页数：14
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